Oracle 12c只有64位的企业版，不再提供32位版本

http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html

Oracle Database Software Downloads

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窗体底端

Oracle Database 12c Release 1

(12.1.0.2.0) - Enterprise Edition

	File 1, File 2 (2.5 GB) See All
Linux x86-64	File 1, File 2 (2.5 GB) See All
Oracle Solaris (SPARC systems, 64-bit)	File 1, File 2 (2.6 GB) See All
Oracle Solaris (x86 systems, 64-bit)	File 1, File 2 (2.3 GB) See All
HP-UX Itanium	File 1, File 2 (3.1 GB) See All
AIX (PPC64)	File 1, File 2 (2.7 GB) See All
zLinux64	File 1, File 2 (2.3 GB) See All

(12.1.0.1.0) - Standard Edition, Standard Edition One, and Enterprise Edition

Microsoft Windows x64 (64-bit)	File 1, File 2 (2.5 GB) See All
Linux x86-64	File 1, File 2 (2.3 GB) See All
Oracle Solaris (SPARC systems, 64-bit)	File 1, File 2 (2.6 GB) See All
Oracle Solaris (x86 systems, 64-bit)	File 1, File 2 (2.3 GB) See All
HP-UX Itanium	File 1, File 2 (3.1 GB) See All
AIX (PPC64)	File 1, File 2 (2.7 GB) See All
zLinux64	File 1, File 2 (2.3 GB) See All

- See All page above contains unzip instructions plus Database Client (32 and 64-bit), Gateways, Grid Infrastructure, more

Oracle Database 11g Release 2

Standard Edition, Standard Edition One, and Enterprise Edition

7/13: Patch Set 11.2.0.4 for Linux and Solaris is now available onsupport.oracle.com. Note: it is a full installation (you do not need to download 11.2.0.1 first). See the README for more info (login to My Oracle Support required).

(11.2.0.2.0)

zLinux64

File 1, File 2 (2GB) See All

(11.2.0.1.0)

Microsoft Windows (32-bit)	File 1, File 2 (2GB) See All
Microsoft Windows (x64)	File 1, File 2 (2GB) See All
Linux x86	File 1, File 2 (2GB) See All
Linux x86-64	File 1, File 2 (2GB) See All
Solaris (SPARC) (64-bit)	File 1, File 2 (2GB) See All
Solaris (x86-64)	File 1, File 2 (2GB) See All
HP-UX Itanium	File 1, File 2 (2GB) See All
HP-UX PA-RISC (64-bit)	File 1, File 2 (2GB) See All
AIX (PPC64)	File 1, File 2 (2GB) See All

- Make sure to download and unzip both files to the same directory.
- See All, page contains unzip instructions plus Database Client, Gateways, Grid Infrastructure, more

Oracle Database 11g Express Edition


	Oracle Database 11g Release 2 Express Edition for Windows 64 now available for download.
	Oracle Database 11g Release 2 Express Edition downloads for Linux x86 and Windows.

Previous Database Release Software

Oracle Database 10.2 and 11.1 are no longer available for download. The software is available as a media or FTP request for those customers who own a valid Oracle Database product license for any edition. To request access to these releases, follow the instructions in Oracle Support Document 1071023.1 (Requesting Physical Shipment or Download URL for Software Media) from My Oracle Support. NOTE: for Oracle Database 10.2, you should request 10.2.0.1 even if you want to install a later patch set. Once you install 10.2.0.1 you can then apply any 10.2 patch set. Similarly, for 11.1 request 11.1.0.6 which must be applied before installing 11.1.0.7. Patch sets can be downloaded from the Patches and Updates tab on My Oracle Support.